CN216962391U - Dish-washing machine and control panel thereof - Google Patents

Abstract

The application belongs to the technical field of dish washing machines and provides a control panel which comprises a key, a circuit board and an installation frame, wherein a rotating shaft part is arranged on the key; the circuit board is provided with a trigger point capable of triggering a control signal; the mounting rack is provided with a limiting grid for fixing the mounting position of the key; the limiting grids are provided with buckling parts for embedding the rotating shaft parts of the keys, and the keys can rotate by pressing the rotating shaft parts on the limiting grids so as to abut against the trigger points on the circuit board. The application also provides a dishwasher with the control panel. This application is improved control panel's mounting structure to the button clearance after the assembly is uneven on solving prior art's control panel, leads to influencing the problem that leakproofness and outward appearance are felt.

Description

Dish-washing machine and control panel thereof

Technical Field

The application belongs to the technical field of dish-washing machines, and particularly relates to a dish-washing machine and a control panel thereof.

Background

At present, the household dish washing machine on the market is generally provided with a control panel, so that a user can operate the control panel to perform corresponding function control on the dish washing machine. The control panel comprises a circuit board, and the circuit board is provided with a key, a display screen or an indicator light and other parts.

For the layout on the control panel, the display screen and the keys are usually pieced together to form a functional assembly with operation and display functions. Since the control panel is generally exposed to the eye of the dishwasher, it is easy for the user to observe and operate, and therefore the layout, appearance and operability of the control panel are easily concerned.

For the keys on the control panel, there are mainly touch and mechanical pressing structures in common use. The mechanical press type key has a process of moving or resetting when being pressed, and a moving gap is required between adjacent keys. In the prior art, movable gaps among keys assembled on equipment are difficult to unify, the problems of uneven gaps, overlarge gaps and the like are easy to occur, and the aesthetic feeling and the sealing property of the control panel are influenced.

Therefore, the mounting structure of the control panel on the dishwasher in the prior art still has defects, which is a technical problem that manufacturers of the dishwashers need to be perfect at present.

Disclosure of Invention

An object of the embodiment of the application is to provide a dish washer and a control panel thereof, which improves the mounting structure of the control panel to solve the problem that the sealing performance and the appearance are affected due to uneven clearance of keys after being assembled on the control panel in the prior art.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: there is provided a control panel including:

a key having a rotation shaft portion thereon;

the circuit board is provided with a trigger point capable of triggering a control signal;

the mounting frame is provided with a limiting grid for fixing the mounting position of the key; the limiting grids are provided with buckling parts for embedding the rotating shaft parts of the keys, and the keys can rotate by pressing the rotating shaft parts on the limiting grids so as to abut against the trigger points on the circuit board.

The application provides a control panel's beneficial effect lies in: compared with the prior art, the mounting frame is arranged in the control panel, the limiting grids are arranged on the mounting frame, and the keys can be respectively arranged on the corresponding limiting grids, so that gaps between the adjacent keys are uniform, and the aesthetic feeling is effectively improved. Spacing check on the mounting bracket also are favorable to avoiding the formation of small opening, and then improve sealed effect. In practical application, mounting racks with different styles can be selected to replace keys with different layouts, so that the matching requirements of different control panels are met, and the matching performance is effectively improved. Wherein, pivot portion has on this button, is equipped with the buckling part that supplies pivot portion embedding on the spacing check of mounting bracket to make the button can be pressed and take place to rotate on spacing check with pivot portion. Therefore, a structure similar to a key is formed, the triggering stability of the key is further improved, and the operation hand feeling of the key is effectively improved.

The structure of the key is improved, the back of the key is provided with a surrounding edge, and the surrounding edge is abutted to the buckling part so as to limit the setting position of the key, avoid the key from generating left and right displacement in a limiting grid of the mounting rack to cause uneven clearance and effectively improve the positioning effect on the key.

Furthermore, buckling parts are limiting convex blocks arranged on the limiting grids, and arc surfaces matched with the peripheral outline of the rotating shaft part are arranged on the limiting convex blocks. Therefore, the contour of the periphery of the rotating shaft part on the limiting lug is matched with that of the periphery of the rotating shaft part on the key, so that the rotating shaft part rotates more smoothly, and the operation stability of pressing or resetting the key is effectively improved.

Furthermore, an opening is formed in the control panel, and the key penetrates out of the control panel from the opening; the button is also provided with a buckling edge which can be abutted against the edge of the opening of the control panel, and the buckling edge and the rotating shaft part are respectively positioned at two opposite sides of the button; the mounting frame is provided with a butting part corresponding to the buckling edge position, and the butting part can be butted with the buckling edge of the key to limit the moving range of the key. Therefore, the reset stroke of the key is limited by the buckling of the buckling edge and the edge of the opening; and the pressing stroke of the key is limited by the abutting fit of the buckling edge and the abutting part. The working strokes of the keys are unified, the operation hand feeling of the keys is effectively improved, and the user experience is improved.

The structure of the mounting frame is improved, a connecting lug is arranged on the periphery of the mounting frame, and a trepan boring is arranged on the connecting lug; and a positioning column corresponding to the position of the connecting lug is arranged on the inner wall of the control panel, and the positioning column is sleeved with the trepanning of the connecting lug. Therefore, the connecting lug on the periphery of the mounting rack is connected with the positioning column on the control panel, so that the mounting rack is fixed on the control panel, and the mounting positions of the keys are fixed at the same time. Simple structure need not appurtenance, can install the mounting bracket on control panel fast, improves installation effectiveness and fixed effect effectively.

The structure of the control panel is improved, the control panel further comprises a sealing gasket arranged on the back of the mounting frame, a deformation part corresponding to the position of the limiting grid is arranged on the sealing gasket, and a mounting groove for accommodating the circuit board is formed in the back of the sealing gasket; the key presses the deformation part to deform so as to trigger a trigger point on the circuit board or reset under the elastic deformation of the deformation part. Therefore, the sealing gasket can play a role in sealing and coating protection for the circuit board, and can prevent water liquid permeating from the movable gap between the keys from reaching the circuit board, so that the waterproof effect is effectively achieved. The sealing pad is provided with a deformation part corresponding to the position of the limit grid on the mounting rack, and the deformation part can be pushed by the key to abut against the trigger point of the circuit board when the key is pressed so as to trigger a control signal; alternatively, when the key is not pressed, the pressing force of the key is removed, and the deformable portion is elastically deformed and restored to restore the key. The deformation part is integrally formed on the sealing gasket, so that the shape and the elastic deformation effect of the deformation part are the same, the deformation part is matched with each key, the uniformity of the pressing stroke of the key is improved, and the operation hand feeling of the key is effectively improved.

Further, the mounting rack is provided with a boss capable of protruding out of the control panel; the circuit board is provided with a display screen, and the back of the boss is provided with an accommodating groove for the display screen to be embedded into. Therefore, the mounting frame is provided with a boss for mounting the display screen so as to be matched with a circuit board structure with the display screen and limit a gap between the key and the display screen. Especially, when the two sides of the display screen are provided with the structures of the keys, the gaps between the keys and the display screen are uniform.

Still further, the boss is a transparent or translucent body; the sealing pad is provided with a through opening matched with the display screen in shape, and the display screen penetrates through the through opening and is embedded into the accommodating groove of the boss. Therefore, the boss is a transparent piece, the display screen on the circuit board is embedded into the boss of the mounting rack, and the boss is arranged outside the control panel in a protruding mode, so that the display surface of the display screen is also located outside the control panel, and a user can observe content on the display screen through the transparent boss. In addition, the display screen passes through the opening on the sealing gasket and is embedded into the containing groove of the boss, so that the compactness is improved, and the sealing effect is improved.

The application also provides a dishwasher, which comprises the control panel, and the control panel also comprises a protective cover, wherein the protective cover covers the mounting frame and is fixed on the inner wall of the control panel; the protective cover is provided with an outlet hole and a plugging piece installed in the outlet hole, and the outgoing line on the circuit board penetrates out of the outlet hole. Therefore, the protective cover is arranged in the control panel to cover and protect the mounting frame and the sealing gasket, so that the mounting frame, the sealing gasket and the circuit board are contained in the protective cover, the sealing effect is improved, foreign objects are prevented from entering the protective cover, the waterproof effect is achieved, and the occurrence of electric accidents is effectively reduced. In addition, the outlet hole on the protective cover is convenient for leading out the leading-out wire of the circuit board. Wherein, install the shutoff piece in the wire hole to block into or prevent that water liquid from the inside of wire hole infiltration visor by the scurrying of foreign matter, improve sealed effect effectively.

Further, dish washer is including the door body, control panel set up in on the door body, be equipped with bellied reposition of redundant personnel muscle on control panel's the inner wall, reposition of redundant personnel muscle to control panel's both sides inner wall extends to shunt water liquid, reduce effectively that water liquid is concentrated.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

FIG. 1 is a schematic perspective view of a door of a dishwasher according to an embodiment of the present application;

fig. 2 is a first schematic view of an explosion structure of a control panel according to an embodiment of the present disclosure;

fig. 3 is a schematic diagram of an explosion structure of a control panel according to an embodiment of the present application;

fig. 4 is a schematic diagram of an explosion structure of a control panel according to an embodiment of the present disclosure;

fig. 5 is a schematic view of a three-dimensional structure of a key according to an embodiment of the present application;

fig. 6 is a schematic view of a three-dimensional structure of a key provided in the embodiment of the present application;

fig. 7 is a schematic partial structural view illustrating a key mounted on a mounting frame according to an embodiment of the present application;

FIG. 8 is an enlarged view of part A of FIG. 4;

fig. 9 is a schematic structural diagram of a reset state of a key on a control panel according to an embodiment of the present application;

fig. 10 is a schematic structural diagram illustrating a pressed state of a key on a control panel according to an embodiment of the present application;

fig. 11 is a schematic view illustrating an assembly structure of a gasket and a circuit board according to an embodiment of the present disclosure;

fig. 12 is a schematic view of an internal structure of a control panel according to an embodiment of the present application.

Wherein, in the figures, the various reference numbers:

100-a door body;

200-a control panel; 201-opening; 202-a positioning column; 203-shunting ribs;

1-pressing a key; 10-surrounding edge; 11-a spindle part; 12-buckling edges; 13-a pushing member;

2-a circuit board; 20-a terminal; 21-trigger point; 22-a display screen;

3-mounting a frame; 31-a limit grid; 32-a snap-fit; 321-cambered surface; 33-a stop portion; 34-connecting lugs; 341-trepanning; 35-boss; 351-an accommodating groove;

4-a sealing gasket; 41-a deformation portion; 411-contact surface; 412-hem portion; 42-mounting grooves; 421-a buckle block; 43-a filler block; 44-a through opening;

5-a protective cover; 51-outlet hole; 52-closure member.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the application and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be constructed in operation as a limitation of the application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

The dishwasher and the control panel thereof provided in the present application will now be described in detail. Referring to fig. 1, 2 and 3, the dishwasher includes a door 100 and a control panel 200 provided in the present application, wherein the control panel 200 is disposed on the door 100. The control panel 200 includes a key 1, a circuit board 2 and a mounting bracket 3.

Referring to fig. 2, fig. 3 and fig. 4, the circuit board 2 is provided with a trigger point 21 capable of triggering a control signal.

The mounting frame 3 is provided with a limit lattice 31 for fixing the mounting position of the key 1. In this embodiment, a plurality of position-limiting grids 31 are arranged in parallel on the mounting frame 3, and may be specifically set according to the layout requirement of the control panel 200.

Referring to fig. 4 and 5, the key 1 has a rotating shaft portion 11, and the position-limiting grid 31 of the mounting bracket 3 has a buckling portion 32 for the rotating shaft portion 11 of the key 1 to be embedded into, so that the key 1 can be pressed on the position-limiting grid 31 by the rotating shaft portion 11 to rotate, and abut against the triggering point 21 on the circuit board 2.

Compared with the prior art, the control panel 200 that this application embodiment provided has set up the mounting bracket 3 in control panel 200, has spacing check 31 on this mounting bracket 3, lets each button 1 can set up respectively on corresponding spacing check 31 to make the clearance between the adjacent button 1 uniform, improve the aesthetic feeling effectively. Spacing check 31 on the mounting bracket 3 also is favorable to avoiding the formation of small opening, and then improves sealed effect. In practical application, different styles of mounting brackets 3 can be selected to replace keys 1 with different layouts, so that the adaptive performance is effectively improved in cooperation with the setting requirements of different control panels 200.

The key 1 has a rotation shaft 11, and the position-limiting grid 31 of the mounting bracket 3 has a buckling part 32 for the rotation shaft 11 to be embedded into, so that the key 1 can rotate by the rotation shaft 11 being pressed on the position-limiting grid 31. Therefore, a structure similar to a key is formed, the triggering stability of the key 1 is further improved, and the operation hand feeling of the key 1 is effectively improved.

In the embodiment of the present application, please refer to fig. 6 and fig. 7, the back of the key 1 has a surrounding edge 10, and the surrounding edge 10 can abut against the buckling portion 32 to limit the setting position of the key 1, so as to prevent the key 1 from moving left and right in the position-limiting lattice 31 of the mounting bracket 3, which results in uneven clearance, and effectively improve the positioning effect of the key 1. In this embodiment, the fastening portion 32 may also abut against the connecting portion between the surrounding edge 10 of the key 1 and the rotating shaft portion 11, so as to achieve the same effect.

In the present embodiment, referring to fig. 5, fig. 6 and fig. 8, the fastening portion 32 is a limiting bump disposed on the limiting grid 31, and the limiting bump has an arc surface 321 matching with the outer contour of the rotating shaft 11. Therefore, the cambered surface 321 on the limiting bump is matched with the peripheral contour of the rotating shaft part 11 on the key 1, so that the rotating shaft part 11 rotates more smoothly, and the operation stability of pressing or resetting the key 1 is effectively improved.

In order to further unify the pressing strokes of the keys 1, in another embodiment of the present application, please refer to fig. 3, an opening 201 is formed on the control panel 200, and the keys 1 pass through the opening 201 and out of the control panel 200.

Referring to fig. 5 and 6, the button 1 is further provided with a fastening edge 12 capable of abutting against an edge of the opening 201 of the control panel 200, and the fastening edge 12 and the rotating shaft 11 are respectively located at two opposite sides of the button 1. In this embodiment, the shaft 11 is located on the upper side of the button 1, and the fastening edge 12 is located on the lower side of the button 1.

Referring to fig. 8, the mounting frame 3 has a stopping portion 33 corresponding to the position of the fastening edge 12, and the stopping portion 33 can stop against the fastening edge 12 of the key 1 to limit the moving range of the key 1. In the present embodiment, the stopper 33 is a stopper surface located on the stopper case 31 side.

Therefore, referring to fig. 9 and fig. 10, the edge 12 of the opening 201 is abutted to limit the reset stroke of the key 1; the pressing stroke of the key 1 is limited by the abutting fit of the buckling edge 12 and the abutting part 33. The working strokes of the keys 1 are unified, the operation hand feeling of the keys 1 is effectively improved, and the user experience is improved.

In another embodiment of the present application, referring to fig. 2, fig. 3 and fig. 4, the control panel 200 further includes a gasket 4 mounted on the back of the mounting frame 3, the gasket 4 is provided with a deformation portion 41 corresponding to the position of the position-limiting grid 31 on the mounting frame 3, and the back of the gasket 4 is provided with a mounting groove 42 for receiving the circuit board 2. The key 1 is pressed to press the deformation portion 41 to deform to trigger the trigger point 21 on the circuit board 2, or to return to the original position by elastic deformation of the deformation portion 41. The seal 4 may preferably be made of a flexible elastic gel. Therefore, the sealing gasket 4 can play a role in sealing and protecting the circuit board 2, and can prevent water liquid permeating from the movable gap between the keys 1 from reaching the circuit board 2, so that the waterproof effect is effectively achieved.

The sealing gasket 4 is provided with a deformation part 41 corresponding to the position of the limiting lattice 31 on the mounting rack 3, and the deformation part 41 can be pushed by the key 1 to abut against the trigger point 21 on the circuit board 2 to trigger a control signal when the key 1 is pressed; alternatively, when the key 1 is not pressed, the pressing force of the key 1 is removed, and the deforming portion 41 is elastically deformed and restored to restore the key 1. Since the deformation portion 41 is integrally formed on the gasket 4, the shape and elastic deformation effect thereof are the same, and the deformation portion is favorable for being matched with each key 1, so that the uniformity of the pressing stroke of the key 1 is improved, and the operation hand feeling of the key 1 is effectively improved.

In the present embodiment, referring to fig. 6 and fig. 7, the back of the key 1 further has an ejector 13, and the ejector 13 can abut against the deformation portion 41 on the sealing gasket 4. The ejector 13 may be a top block or a top rod protruding from the back of the key 1. Thus, when the push button 1 is pressed, the ejector 13 pushes the deformation portion 41 of the gasket 4, so that the deformation portion 41 deforms to abut against the trigger point 21 of the circuit board 2, thereby triggering the control signal.

Preferably, as shown in fig. 4, 9 and 10, the deformation portion 41 of the gasket 4 is an elastic convex hull on the gasket 4, and has a contact surface 411 contacting with the key 1, and the outer periphery of the contact surface 411 has an S-shaped folded edge portion 412. When pushed by the ejector 13, the folded edge part 412 deforms, and the contact surface 411 abuts against the trigger point 21 on the circuit board 2 as pushed by the ejector 13. When the key 1 is not pressed, the hem portion 412 is elastically restored to reset the key 1.

In the present embodiment, in order to make the back surface of the circuit board 2 flat without increasing the area of the circuit board 2, as shown in fig. 2, the terminals 20 on the circuit board 2 are disposed on the same end surface as the trigger points 21 (i.e., on the front surface of the circuit board 2), resulting in that the terminals 20 occupy a certain space on the surface of the circuit board 2. Since the circuit board 2 is accommodated in the mounting groove 42 in the back of the gasket 4, a clearance gap having the same height as the terminal is formed between the inner wall of the mounting groove 42 and the circuit board 2. In order to fill up the clearance gap, as shown in fig. 11, a filler block 43 provided adjacent to the deformation portion 41 is provided on the back of the gasket 4. When the circuit board 2 is accommodated in the mounting groove 42 of the gasket 4, the filling block 43 abuts against the board surface of the circuit board 2, thereby filling the clearance gap between the circuit board 2 and the gasket 4.

In the present embodiment, as shown in fig. 11, the back mounting groove 42 of the gasket 4 has a fastening block 421, and the fastening block 421 fixes the circuit board 2 accommodated in the mounting groove 42.

In the embodiment of the present application, please refer to fig. 3 and fig. 7, a connecting lug 34 is disposed on the periphery of the mounting frame 3, and a sleeve hole 341 is formed on the connecting lug 34. The inner wall of the control panel 200 is provided with a positioning post 202 corresponding to the position of the connecting lug 34, and the positioning post 202 is sleeved with the sleeve hole 341 of the connecting lug 34. Thus, the connecting lugs 34 on the periphery of the mounting bracket 3 are connected with the positioning columns 202 on the control panel 200, so that the mounting bracket 3 is fixed on the control panel 200, and the mounting positions of the keys 1 are fixed at the same time. Simple structure need not appurtenance, can install mounting bracket 3 on control panel 200 fast, improves installation effectiveness and fixed effect effectively.

Referring to fig. 2, 4 and 7, the mounting bracket 3 has a boss 35 protruding outside the control panel 200. In the present embodiment, the shape of the boss 35 is matched with the key 1 to improve the overall feeling and uniformity of the control panel 200.

The circuit board 2 is provided with a display 22, and the back of the boss 35 is provided with a receiving groove 351 into which the display 22 is inserted. The gasket 4 is provided with an opening 44 matching with the display 22 in shape, and the display 22 passes through the opening 44 and is embedded into the receiving groove 351 of the boss 35.

Thus, on the one hand, the mounting frame 3 is provided with a boss 35 for mounting the display screen 22 to fit the structure of the circuit board 2 with the display screen 22 while defining a gap between the key 1 and the display screen 22. Especially, when both sides of the display 22 have the structure of the key 1, the gap between each key 1 and the display 22 is uniform.

On the other hand, the boss 35 is preferably transparent or translucent, the display screen 22 on the circuit board 2 is embedded in the boss 35 of the mounting bracket 3, and the boss 35 is disposed to protrude outside the control panel 200, so that the display surface of the display screen 22 is also located outside the control panel 200, and a user can view the content on the display screen 22 through the transparent boss 35. The display panel 22 is inserted into the receiving groove 351 of the boss 35 through the opening 44 of the gasket 4, which is advantageous for improving compactness and sealing effect.

In the embodiment of the present application, referring to fig. 2, fig. 3 and fig. 12, the control panel 200 further includes a protective cover 5, and the protective cover 5 covers the mounting frame 3 and the gasket 4 and is fixed on the inner wall of the control panel 200. As for the fixing structure of the protection cover 5, in the present embodiment, the protection cover 5 is fixed on the inner wall of the control panel 200 by a fastening member such as a screw. In other embodiments, the mounting and fixing may also be achieved by a snap fixing or the like, which is not limited herein.

Therefore, the protective cover 5 is used for coating and protecting the mounting frame 3 and the sealing gasket 4, the mounting frame 3, the sealing gasket 4 and the circuit board 2 are contained in the protective cover 5, the sealing effect is further improved, foreign objects are prevented from entering the protective cover, the waterproof effect is achieved, and the occurrence of electric accidents is effectively reduced.

Referring to fig. 12, the protective cover 5 is provided with an outlet hole 51 and a blocking member 52 installed in the outlet hole 51, and an outlet line on the circuit board 2 passes through the outlet hole 51. The blocking member 52 may preferably be a soft rubber sealing member, and the shape of the blocking member 52 is matched with that of the outlet hole 51, so as to block foreign objects from entering the outlet hole 51, or prevent water from entering the inside of the protective cover 5 through the outlet hole 51, thereby effectively improving the sealing effect.

In this embodiment, referring to fig. 12, a raised flow dividing rib 203 is further disposed on the inner wall of the control panel 200, and the flow dividing rib 203 extends toward the inner walls of two sides of the control panel 200 to divide the water flow, so as to effectively reduce the concentration of the water flow.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. A control panel, comprising:

a key with a rotating shaft part thereon;

the circuit board is provided with a trigger point capable of triggering a control signal;

the mounting frame is provided with a limiting grid for fixing the mounting position of the key; the limiting grids are provided with buckling parts for embedding the rotating shaft parts of the keys, and the keys can rotate by pressing the rotating shaft parts on the limiting grids so as to abut against the trigger points on the circuit board.

2. The control panel of claim 1, wherein: the back of the key is provided with a surrounding edge which is abutted against the buckling part.

3. The control panel of claim 1, wherein: the buckling part is a limiting lug arranged on the limiting grid, and an arc surface matched with the peripheral outline of the rotating shaft part is arranged on the limiting lug.

4. The control panel of claim 1, wherein: the control panel is provided with an opening, and the key penetrates out of the control panel from the opening; the button is also provided with a buckling edge which can be abutted against the edge of the opening of the control panel, and the buckling edge and the rotating shaft part are respectively positioned at two opposite sides of the button; the mounting frame is provided with a butting part corresponding to the buckling edge position, and the butting part can be butted with the buckling edge of the key to limit the moving range of the key.

5. The control panel of claim 1, wherein: the periphery of the mounting rack is provided with a connecting lug, and the connecting lug is provided with a trepanning; and a positioning column corresponding to the position of the connecting lug is arranged on the inner wall of the control panel, and the positioning column is sleeved with the trepanning of the connecting lug.

6. The control panel according to any one of claims 1 to 5, characterized in that: the control panel further comprises a sealing gasket arranged on the back of the mounting frame, a deformation part corresponding to the position of the limiting grid is arranged on the sealing gasket, and an installation groove for accommodating the circuit board is formed in the back of the sealing gasket; the key is pressed to push the deformation part to deform so as to trigger a trigger point on the circuit board, or the key is reset under the elastic deformation of the deformation part.

7. The control panel of claim 6, wherein: the mounting frame is provided with a boss which can protrude out of the control panel; the circuit board is provided with a display screen, and the back of the boss is provided with an accommodating groove for the display screen to be embedded into.

8. The control panel of claim 7, wherein: the boss is a transparent or semitransparent body; the sealing pad is provided with a through opening matched with the display screen in shape, and the display screen penetrates through the through opening and is embedded into the accommodating groove of the boss.

9. A dishwasher, comprising the control panel of any one of claims 1 to 8, the control panel further comprising a protective cover covering the mounting bracket and fixed to an inner wall of the control panel; the protective cover is provided with a wire outlet hole and a plugging piece arranged in the wire outlet hole, and a leading-out wire on the circuit board penetrates out of the wire outlet hole.

10. The dishwasher of claim 9, wherein: the dish washing machine comprises a door body, the control panel is arranged on the door body, raised shunting ribs are arranged on the inner wall of the control panel, and the shunting ribs extend towards the inner walls of the two sides of the control panel.

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